code: def get_jupyter_output(cmd):
      """Get output of a jupyter command"""
      if not isinstance(cmd, list):
          cmd = [cmd]
      return (
          check_output(
              [sys.executable, "-m", "jupyter_core", *cmd], stderr=PIPE
          )
          .decode("utf8")
          .strip()
      )
  
imports: from __future__ import annotations
  import json
  import os
  import sys
  import sysconfig
  from subprocess import PIPE, CalledProcessError, check_output
  from unittest.mock import patch
  import pytest
  from jupyter_core import __version__
  from jupyter_core.command import list_subcommands
  from jupyter_core.paths import jupyter_config_dir, jupyter_config_path, jupyter_data_dir, jupyter_path, jupyter_runtime_dir
label_desc: Use image node_id 3 for calling a global function with example usage: get_jupyter_output(cmd) and returns: check_output